Edit a Thingiverse file and turn it into two STL files. Then use Simplify 3D’s Dual Extrusion Wizard to print it in two colors with a dual extruder Gmax 1.5XT+.
Drafting, Modeling and 3D Printing with Lydia Sloan Cline
Hand drafting for Interior Design, SketchUp, Autodesk 123D and MakerBot